17938750

素因数分解:

$2^1\times 5^4\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 40

約数和(自身を含む): 34189056

約数和(自身を除く): 16250306

約数列:

[1, 2, 5, 10, 25, 50, 113, 125, 127, 226, 250, 254, 565, 625, 635, 1130, 1250, 1270, 2825, 3175, 5650, 6350, 14125, 14351, 15875, 28250, 28702, 31750, 70625, 71755, 79375, 141250, 143510, 158750, 358775, 717550, 1793875, 3587750, 8969375, 17938750]

約数ペア:

[(1, 17938750), (2, 8969375), (5, 3587750), (10, 1793875), (25, 717550), (50, 358775), (113, 158750), (125, 143510), (127, 141250), (226, 79375), (250, 71755), (254, 70625), (565, 31750), (625, 28702), (635, 28250), (1130, 15875), (1250, 14351), (1270, 14125), (2825, 6350), (3175, 5650)]